smokeloader | 5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:41

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General

Target

5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe
Size

259KB
MD5

fd942173a0e80db8d97818cbafb13b4c
SHA1

a4a75282d716f0f5a6611b21e6b4f8b8e8f2943c
SHA256

5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d
SHA512

93dd61e68727581fe783fd70d28b8f8bc10f4a2902d9a290a61d5830c3412ecae9878b99477ca971106dd09ca1a6902e168d8eaf07cce4c02f347d07703d5880
SSDEEP

3072:vgrPB5ZbLtCFKfz5wCNUXv14NZ6rMecMxE9WVgSr4/7RJM/h3:SPB3bL4FDCNUWZLZbsgSUjRJ

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
584	2848	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 584	2848	5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe	31
PID 2848 wrote to memory of 584	2848	5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe	31
PID 2848 wrote to memory of 584	2848	5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe	31
PID 2848 wrote to memory of 584	2848	5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe	31

C:\Users\Admin\AppData\Local\Temp\5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe
"C:\Users\Admin\AppData\Local\Temp\5b95a5f39da96698f2a8850a7e0d122bf29ec646871fecdad502c64fa355106d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 136
  2⤵
  - Program crash
  PID:584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2848-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2848-2-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2848-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/2848-4-0x0000000000400000-0x0000000002C2F000-memory.dmp

Filesize
40.2MB

Download